Channel changer



FIG. 1 is a left side elevation view of a channel changer according to the present design;

FIG. 2 is a front elevation view thereof;

FIG. 3 is a rear elevation view thereof;

FIG. 4 is a top plan view thereof;

FIG. 5 is a bottom plan view thereof; and,

FIG. 6 is a right side elevation view thereof. 

The ornamental design for a channel changer, as shown and described. 